Authorization Trace in BI

Hello,

Is there any way in BI where I can run a authorization trace in BI, similar to ST01 in R/3. For example there is a user 'A' who is able to execute a query correctly. When I go in RSECADMIN >> Anlysis tab >> Execute query as other user and put user id as 'A'. Reports executes but there is no log generated.

In BI, is that the case that when there is authorization error, then only a log is generated otherwise there would not be any log? or am I missing something?

Thanks,

Nitin